# Air Quality vs iBarometer

The clearest difference is update cadence: Air Quality at every 2 days against iBarometer's every 9 days. Air Quality also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Air Quality ships an update every 2 days, iBarometer every 9 days. The most recent releases landed on October 12, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Air Quality | iBarometer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 2 days** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 23 MB | 7 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SEOKWON YANG](https://appshunter.io/developer/1863325487) | [景珂 陈](https://appshunter.io/developer/620312170) |

## What reviewers say

### Air Quality

[App page](https://appshunter.io/ios/app/air-quality-slox/id6777736957)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### iBarometer

[App page](https://appshunter.io/ios/app/ibarometer-barometer/id6787407049)

This app transforms your iPhone into a professional barometer, providing real-time atmospheric pressure readings and trend analysis. It includes historical graphs, altitude display, and a fishing activity score. It functions offline and offers advanced fishing predictions with a Pro upgrade.

**Highlights:** Real-time atmospheric pressure, Trend indicator and rate of change, Altitude display, Historical pressure graphs, Fishing activity score, Offline functionality

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Air Quality free?

Air Quality is free to download, with no in-app purchases.

### Is iBarometer free?

iBarometer is free to download, with no in-app purchases.

### Do Air Quality or iBarometer have ads?

Both Air Quality and iBarometer show ads.

### Which is updated more often, Air Quality or iBarometer?

Air Quality ships an update every 2 days, and iBarometer every 9 days. Most recently, Air Quality was updated on October 12, 2026 and iBarometer on October 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*